5728284 has 18 divisors (see below), whose sum is σ = 14479920. Its totient is φ = 1909416.

The previous prime is 5728279. The next prime is 5728297. The reversal of 5728284 is 4828275.

It is a happy number.

5728284 is a `hidden beast` number, since 572 + 8 + 2 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 159119 = 5728284 / (5 + 7 + 2 + 8 + 2 + 8 + 4).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79524 + ... + 79595.

It is an arithmetic number, because the mean of its divisors is an integer number (804440).

Almost surely, 2^5728284 is an apocalyptic number.

It is an amenable number.

5728284 is an abundant number, since it is smaller than the sum of its proper divisors (8751636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5728284 is a wasteful number, since it uses less digits than its factorization.

5728284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159129 (or 159124 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 5728284 is about 2393.3833792353. The cubic root of 5728284 is about 178.9265743397.

Subtracting from 5728284 its reverse (4828275), we obtain a palindrome (900009).

The spelling of 5728284 in words is "five million, seven hundred twenty-eight thousand, two hundred eighty-four".